Linked Questions

0
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0answers
28 views

How do you identify a SMD marking codes? [duplicate]

How do you identify a SMD transistor? some SMD component's marking code is not the part number,hard to understand. i found this website www.marking-codes.com for check smd marking code.anybody know it?...
3
votes
2answers
325 views

What are the tools to identify ICs by marking?

I have two ICs and I need to discover them. I've searched for the marking on top of them, but I didn't have success. I've tried some tools on the internet (this forum included), also nothing. I used ...
1
vote
0answers
43 views

Electronic component name & value to be traced

https://en.wikipedia.org/wiki/Electronic_component What are the best ways to trace the electronic components value, name if the name & value are not able to be seen on the component itself ...
1
vote
0answers
2k views

6 pin SMD IC marking code ADS

Please help me to identify 6 pin SMD IC with top marking ADS
0
votes
0answers
41 views

SMD component identification - possibly BJT

I found a defective SOT-23 on a broken PCB, but can't identify it. Probably a BJT, but what kind? The one on the right seems to be the same as the blown one. I would appreciate your help.
0
votes
1answer
62 views

Who manufactures this chip? Looking for the data sheet. Top marking “QB52”

I'm looking for the datasheet of this chip. I don't recognise the manufacturer logo. Does anyone recognise this? I tried a Google search for "QB52 Chip" but failed.
3
votes
3answers
375 views

Component identification (SMD) - Beelink X55 Ultimate

Recently my NUC has decided to release some magic smoke. I found two problematic components in it. F1 fuse, which failed (?) to protect the board and U10 which has manifested a nice eruption point. ...
0
votes
1answer
4k views

SMD transistor marking

I have a SOT-23 SMD transistor marked "2.X L" as shown in the image. I managed to find out that "2X" stands for 2N4401 and the dot seems to mean "lead free". But I couldn't find the meaning of the ...
1
vote
1answer
57 views

Please identify this 8-pin SMT device - markings P636F FDS 6690A

Please assist - I cannot identify this device. I try to label all my SMT components, but this one has slipped through the net. It appears to have a "f" as a logo; the text blocks are P636F; FDS and ...
2
votes
1answer
149 views

Unknown 5-pin opamp / comparator IC with “>10” marking

I'm trying to figure out what this 5-pin IC from the below image could be: The SMD Package looks to be TSSOP5. The component is used in the Kemet SS-430 sensor module. I think, is part of the output ...
12
votes
4answers
7k views

A 1USD 11W led bulb circuit and parts analysis

I know this is not a huge deal, but still I want to do it because for Three reasons: 1, it only costs 1 usd. Yep, this is a very cheap led bulb, and I need to take it apart to see if it's trust worthy....
2
votes
2answers
466 views

What is this component? Marked R5

Edited: Added more pictures. I'm reverse engineering a PCB but I'm stuck at one component. I can't find out what it is. I thought it is a diode because of the marking on top of it but when I test it ...
0
votes
4answers
12k views

Identifying an unmarked SMD capacitor and chip

So I'm setting myself into SMD components, as I want to create my own compact 5v step down converter, based on this component. I've read that these small brown ceramic capacitors are most likely ...
0
votes
1answer
2k views

KV7RF SMD Datasheet

Can someone identify a 5-Pin IC SMD with the marking code KV7RF? Searching in Google I didn't find anything. Any help on this?
0
votes
1answer
145 views

How do I know which component this is?

It says 100J and is much bigger than the other components. It has a resistance of 2ohm when the circuit is without power, and 15 ohm when I attach power to the circuit. It has a 1nf capacitance. So ...

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